Tree Services Database Updated: 13,238 Selected U.S. Locations
Explore build #163 of the Tree Services Database: 13,238 selected U.S. business places, published contacts, and a clear location-ID join across three packages.
Oddity Journal
Useful thinking for practical technology.
Field notes, guides, and clear explanations for people working with business data, digital products, software, and the systems that connect them.
Product updates
What changed in Oddity databases.
17 published articles · current stories newest first, archives follow
U.S. Publishers and Printing Database Updated: 39,171 Connected Locations
The October 10, 2026 release organizes 39,171 selected U.S. publishers and printing locations into connected Usage, Publication, and Master packages. See how contacts, classifications, reported brand links, and historical context join by location ID.
U.S. Non-Profit Organizations Database Updated: 1,960,014 Records
Explore build #161 of the U.S. Non-Profit Organizations Database: 1,960,014 tax-exempt organization records linked by EIN across directory, tax-profile, and financial-snapshot tables.
U.S. Auto Dealers Database 2.0.0: A practical guide to the release
A guide to exploring U.S. auto dealer locations, related business details, and the checks that make a directory useful in a real workflow.
U.S. Pharmacies Database 2.0.0: Working with location and provider records
Learn how to inspect pharmacy location records, understand related provider details, and review the release before adding it to a research or mapping workflow.
Golf Courses and Golf Resorts Database 2.0.1: Four Tables for Course Research
Explore 39,633 golf courses and the connected contact, amenity, and attribute tables in the current 2.0.1 release.
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